
Porcupine Cr and its many tributaries carve through the interior of the Yukon-Koyukuk Census Area in this 2018 survey. The landscape is defined by a dense network of watercourses and topographical depressions, including Grosgnon Gulch and Caribou Gulch in the southern portion of the quadrangle. These features suggest a terrain deeply tied to the history of mineral exploration and prospecting in the Alaskan interior, where drainage systems like Yankee Cr and Bonanza Cr often dictated the location of mining claims.
15 named features on this map. Tap any name to fly to it.
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This is the sole edition of this map. No revisions or reprints were ever made.
1951 · Circle
USGS Topo · 1:250,000
1952 · Circle B-4
USGS Topo · 1:63,360
1952 · Circle C-4
USGS Topo · 1:63,360
1955 · Circle B-3
USGS Topo · 1:63,360
1955 · Circle C-3
USGS Topo · 1:63,360
1955 · Circle
USGS Topo · 1:250,000
1964 · Circle
USGS Topo · 1:250,000
2018 · Circle C-4 SE
USGS Topo · 1:25,000
2018 · Circle B-4 NE
USGS Topo · 1:25,000
2018 · Circle C-3 NE
USGS Topo · 1:25,000